Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September is the warmest month in Ashton, with the temperature often reaching an average high of 28.8°C (83.8°F) and an average low of 28°C (82.4°F).Heat index
For most parts of September, the heat index is computed to be a hot 33°C (91.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', comes about by integrating the temperature readings with the humidity levels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In September, the average relative humidity in Ashton, Saint Vincent and the Grenadines, is 76%.Rainfall
In Ashton, during September, the rain falls for 21.4 days and regularly aggregates up to 81mm (3.19") of precipitation. In Ashton, during the entire year, the rain falls for 238.6 days and collects up to 627mm (24.69") of precipitation.Sea temperature
September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Ashton.Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.
Daylight
The average length of the day in September is 12h and 12min.On the first day of the month, sunrise is at 05:54 and sunset at 18:16. On the last day of September, sunrise is at 05:54 and sunset at 17:56 AST.
Sunshine
In September, the average sunshine in Ashton is 10h.UV index
The months with the highest UV index in Ashton are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Ashton. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
Frequently asked questions
What month is the hottest in Ashton?
How hot is it in Ashton in September?
What is the average humidity in September in Ashton?
How many days does it rain in September in Ashton?
What are the months with the warmest sea water in Ashton?
How warm is the water in September in Ashton?
How many hours of daylight does Ashton have in September?
When are sunrise and sunset in September in Ashton?
How many hours of sunshine does Ashton have in September?
What are the months with the highest UV index in Ashton?
When is the lowest UV index in Ashton?
What is the UV index reading in September in Ashton?
Average temperature in September
Ashton, Saint Vincent and the Grenadines
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.5°C).
- Average low temperature in September: 28°C
The month with the highest average low temperature is September (28°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).
Average pressure in September
Ashton, Saint Vincent and the Grenadines
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is June (1014.5mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in September
Ashton, Saint Vincent and the Grenadines
- Average wind speed in September: 20.6km/h
The windiest month (with the highest average wind speed) is February (29.3km/h).
The calmest month (with the lowest average wind speed) is September (20.6km/h).
Average humidity in September
Ashton, Saint Vincent and the Grenadines
- Average humidity in September: 76%
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).
Average rainfall in September
Ashton, Saint Vincent and the Grenadines
- Average rainfall in September: 81mm
The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in September
Ashton, Saint Vincent and the Grenadines
- Average rainfall days in September: 21.4 days
The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is February (14.8 days).
Average sea temperature in September
Ashton, Saint Vincent and the Grenadines
- Average sea temperature in September: 29°C
The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March, April and December (27°C).
Average daylight in September /
Average sunshine in September
Ashton, Saint Vincent and the Grenadines
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Ashton, Saint Vincent and the Grenadines
- Average sunshine days in September: 5.4 days
The months with the most sunshine days are February and March (9.3 days).
The month with the least sunshine days is July (1.7 days).
Average UV index in September
Ashton, Saint Vincent and the Grenadines
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Ashton, Saint Vincent and the Grenadines
- Average cloud cover in September: 38
The month with the most cloud cover is July (Cloud cover 46).
The months with the least cloud cover are January and February (Cloud cover 37).
Average visibility in September
Ashton, Saint Vincent and the Grenadines
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Ashton, Saint Vincent and the Grenadines
Weather forecast for your location
2. Allow the app to use your location
